PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/24-01:43:00
G01     247.1          33.3                4.8 +/-    1.28       7.8 +/-    1.28  0.040 / 0.030
G03     315.2          45.4                0.9 +/-    1.48       1.2 +/-    1.48  0.030 / 0.040
G11     233.5          10.9                5.6 +/-    3.38      15.2 +/-    3.38  0.060 / 0.090
G14     64.8           37.7                2.3 +/-    0.71       3.5 +/-    0.71  0.090 / 0.120
G16     165.3          18.8                5.1 +/-    2.26      11.5 +/-    2.26  0.040 / 0.040
G22     300.5          68.1                2.8 +/-    0.62       3.0 +/-    0.62  0.030 / 0.040
G23     288.6          20.2                4.5 +/-    1.85       9.9 +/-    1.85  0.090 / 0.400
G26     138.8          39.2                6.0 +/-    0.88       8.9 +/-    0.88  0.070 / 0.340
G31     39.0           59.7                2.2 +/-    0.52       2.5 +/-    0.52  0.070 / 0.110
G32     79.1           23.0                2.7 +/-    1.03       5.5 +/-    1.03  0.070 / 0.120